<template>
  <div class="wrapper">
    <v-head></v-head>
    <v-sidebar></v-sidebar>
    <div class="content-box"
         :class="{'content-collapse':collapse}">
      <!-- <v-tags></v-tags> -->
      <div class="content">
        <transition name="move"
                    mode="out-in">
          <!-- <keep-alive :include="tagsList">
            <router-view></router-view>
          </keep-alive> -->
          <!-- <navigation> -->
            <router-view></router-view>
          <!-- </navigation> -->
        </transition>
        <el-backtop target=".content"></el-backtop>
      </div>
    </div>
  </div>
</template>

<script>
import vHead from './Header.vue';
import vSidebar from './Sidebar.vue';
import vTags from './Tags.vue';
import bus from './bus';
import nav from '@/resources/tabnav/tabList';
import Navigation from 'vue-navigation'
export default {
  data () {
    
    return {
      tagsList: [],
      collapse: false,
      tabIndex: 0,
    };
  },
  components: {
    vHead,
    vSidebar,
    vTags,
    Navigation
  },
  created () {
    bus.$on('collapse-content', msg => {
      this.collapse = msg;
    });

    // 只有在标签页列表里的页面才使用keep-alive，即关闭标签之后就不保存到内存中了。
    bus.$on('tags', msg => {
      let arr = [];
      for (let i = 0, len = msg.length; i < len; i++) {
        msg[i].name && arr.push(msg[i].name);
      }
      this.tagsList = arr;
    });
  }
};
</script>
